1. Kinetics of fermentation of indigofera tinctoria
Paisan Kongkachuichay, Skowrath Hirunkitmonkon, Arunsiri Chitangkoon

2. Effects of high density polyethylene and polypropylene on thermal degradation of polystyrene
Natthapol Jitputthi, Paisal Nakpipat, Santi Wattananusorn

3. Flood zoning in songkram basin
Somphinith Muagthong, Vichai Sriboonlue

4. Anhydrite characteristics used as construction materials
Danupon Tonnayopas, Krit Ploamson

5. Management of animal manure for rural environment
Banchongsri Jeeravipoolvarn, Thanonsakdi Sangvatanachai, Lamyai Kowithayakorn